1)yeoooooooooooo dave man what about yeh
2)yeoooooooooo im drunk
3)fucking yeooooo see her tits!
Used in a positive way, if someone is happy, acknowlogment of something or arroused they will use the word 'Yeo'.
Friend 1: You see that girls ass?
Friend 1: Here's your pint mate.
2. A greeting